1, torus inlay should be firm and straight. The main stone and the auxiliary stone are not loose, the claw stone is not dropped, and the ring surface of the gem is not damaged or broken. 2. After the gem ring surface is embedded in the jewelry bracket, the complete jewelry should keep the original template harmonious and beautiful. The bracket should not be deformed, and the surface should not be scratched, cracked or broken.

3. The surface of the inlaid jewelry should be carefully polished, and no obvious file marks and shovel marks can be left for polishing.